diff options
Diffstat (limited to 'src/gui/image/qimage.cpp')
| -rw-r--r-- | src/gui/image/qimage.cpp | 245 |
1 files changed, 19 insertions, 226 deletions
diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp index 499c527cfc..5460104fd0 100644 --- a/src/gui/image/qimage.cpp +++ b/src/gui/image/qimage.cpp @@ -43,7 +43,6 @@ #include "qdatastream.h" #include "qcolortransform.h" #include "qmap.h" -#include "qmatrix.h" #include "qtransform.h" #include "qimagereader.h" #include "qimagewriter.h" @@ -786,7 +785,7 @@ QImage::QImage(const QSize &size, Format format) -QImageData *QImageData::create(uchar *data, int width, int height, int bpl, QImage::Format format, bool readOnly, QImageCleanupFunction cleanupFunction, void *cleanupInfo) +QImageData *QImageData::create(uchar *data, int width, int height, qsizetype bpl, QImage::Format format, bool readOnly, QImageCleanupFunction cleanupFunction, void *cleanupInfo) { if (width <= 0 || height <= 0 || !data || format == QImage::Format_Invalid) return nullptr; @@ -798,7 +797,7 @@ QImageData *QImageData::create(uchar *data, int width, int height, int bpl, QIm if (bpl > 0) { // can't overflow, because has calculateImageParameters already done this multiplication - const int min_bytes_per_line = (width * depth + 7)/8; + const qsizetype min_bytes_per_line = (qsizetype(width) * depth + 7)/8; if (bpl < min_bytes_per_line) return nullptr; @@ -899,13 +898,17 @@ QImage::QImage(const uchar* data, int width, int height, Format format, QImageCl initially empty and must be sufficiently expanded with setColorCount() or setColorTable() before the image is used. */ + +#if QT_VERSION >= QT_VERSION_CHECK(6,0,0) +QImage::QImage(uchar *data, int width, int height, qsizetype bytesPerLine, Format format, QImageCleanupFunction cleanupFunction, void *cleanupInfo) +#else QImage::QImage(uchar *data, int width, int height, int bytesPerLine, Format format, QImageCleanupFunction cleanupFunction, void *cleanupInfo) +#endif :QPaintDevice() { d = QImageData::create(data, width, height, bytesPerLine, format, false, cleanupFunction, cleanupInfo); } - /*! Constructs an image with the given \a width, \a height and \a format, that uses an existing memory buffer, \a data. The \a width @@ -931,7 +934,11 @@ QImage::QImage(uchar *data, int width, int height, int bytesPerLine, Format form data being changed. */ +#if QT_VERSION >= QT_VERSION_CHECK(6,0,0) +QImage::QImage(const uchar *data, int width, int height, qsizetype bytesPerLine, Format format, QImageCleanupFunction cleanupFunction, void *cleanupInfo) +#else QImage::QImage(const uchar *data, int width, int height, int bytesPerLine, Format format, QImageCleanupFunction cleanupFunction, void *cleanupInfo) +#endif :QPaintDevice() { d = QImageData::create(const_cast<uchar*>(data), width, height, bytesPerLine, format, true, cleanupFunction, cleanupInfo); @@ -1170,7 +1177,7 @@ QImage QImage::copy(const QRect& r) const // Qt for Embedded Linux can create images with non-default bpl // make sure we don't crash. if (image.d->nbytes != d->nbytes) { - int bpl = qMin(bytesPerLine(), image.bytesPerLine()); + qsizetype bpl = qMin(bytesPerLine(), image.bytesPerLine()); for (int i = 0; i < height(); i++) memcpy(image.scanLine(i), scanLine(i), bpl); } else @@ -1229,7 +1236,7 @@ QImage QImage::copy(const QRect& r) const if (byteAligned) { const uchar *src = d->data + ((x * d->depth) >> 3) + y * d->bytes_per_line; uchar *dest = image.d->data + ((dx * d->depth) >> 3) + dy * image.d->bytes_per_line; - const int bytes_to_copy = (pixels_to_copy * d->depth) >> 3; + const qsizetype bytes_to_copy = (qsizetype(pixels_to_copy) * d->depth) >> 3; for (int i = 0; i < lines_to_copy; ++i) { memcpy(dest, src, bytes_to_copy); src += d->bytes_per_line; @@ -1386,11 +1393,7 @@ int QImage::colorCount() const \sa colorTable(), setColor(), {QImage#Image Transformations}{Image Transformations} */ -#if QT_VERSION >= QT_VERSION_CHECK(6,0,0) void QImage::setColorTable(const QVector<QRgb> &colors) -#else -void QImage::setColorTable(const QVector<QRgb> colors) -#endif { if (!d) return; @@ -1400,11 +1403,7 @@ void QImage::setColorTable(const QVector<QRgb> colors) if (!d) return; -#if QT_VERSION >= QT_VERSION_CHECK(6,0,0) d->colortable = colors; -#else - d->colortable = std::move(const_cast<QVector<QRgb>&>(colors)); -#endif d->has_alpha_clut = false; for (int i = 0; i < d->colortable.size(); ++i) { if (qAlpha(d->colortable.at(i)) != 255) { @@ -1477,25 +1476,6 @@ void QImage::setDevicePixelRatio(qreal scaleFactor) d->devicePixelRatio = scaleFactor; } -#if QT_DEPRECATED_SINCE(5, 10) -/*! - \since 4.6 - \obsolete - Returns the number of bytes occupied by the image data. - - Note this method should never be called on an image larger than 2 gigabytes. - Instead use sizeInBytes(). - - \sa sizeInBytes(), bytesPerLine(), bits(), {QImage#Image Information}{Image - Information} -*/ -int QImage::byteCount() const -{ - Q_ASSERT(!d || d->nbytes < std::numeric_limits<int>::max()); - return d ? int(d->nbytes) : 0; -} -#endif - /*! \since 5.10 Returns the image data size in bytes. @@ -1515,17 +1495,10 @@ qsizetype QImage::sizeInBytes() const \sa scanLine() */ -#if QT_VERSION >= QT_VERSION_CHECK(6,0,0) qsizetype QImage::bytesPerLine() const { return d ? d->bytes_per_line : 0; } -#else -int QImage::bytesPerLine() const -{ - return d ? d->bytes_per_line : 0; -} -#endif /*! @@ -1929,11 +1902,11 @@ void QImage::invertPixels(InvertMode mode) if (depth() < 32) { // This assumes no alpha-channel as the only formats with non-premultipled alpha are 32bit. - int bpl = (d->width * d->depth + 7) / 8; + qsizetype bpl = (qsizetype(d->width) * d->depth + 7) / 8; int pad = d->bytes_per_line - bpl; uchar *sl = d->data; for (int y=0; y<d->height; ++y) { - for (int x=0; x<bpl; ++x) + for (qsizetype x=0; x<bpl; ++x) *sl++ ^= 0xff; sl += pad; } @@ -2882,65 +2855,6 @@ QImage QImage::scaledToHeight(int h, Qt::TransformationMode mode) const return transformed(wm, mode); } - -#if QT_DEPRECATED_SINCE(5, 15) - -/*! - \obsolete - - Use trueMatrix(const QTransform &matrix, int w, int h) instead. - - \fn QMatrix QImage::trueMatrix(const QMatrix &matrix, int width, int height) - - Returns the actual matrix used for transforming an image with the - given \a width, \a height and \a matrix. - - When transforming an image using the transformed() function, the - transformation matrix is internally adjusted to compensate for - unwanted translation, i.e. transformed() returns the smallest - image containing all transformed points of the original image. - This function returns the modified matrix, which maps points - correctly from the original image into the new image. - - \sa transformed(), {QImage#Image Transformations}{Image - Transformations} -*/ -QMatrix QImage::trueMatrix(const QMatrix &matrix, int w, int h) -{ - return trueMatrix(QTransform(matrix), w, h).toAffine(); -} - -/*! - \obsolete - - Use transformed(const QTransform &matrix, Qt::TransformationMode mode) instead. - - Returns a copy of the image that is transformed using the given - transformation \a matrix and transformation \a mode. - - The returned image will normally have the same {Image Formats}{format} as - the original image. However, a complex transformation may result in an - image where not all pixels are covered by the transformed pixels of the - original image. In such cases, those background pixels will be assigned a - transparent color value, and the transformed image will be given a format - with an alpha channel, even if the orginal image did not have that. - - The transformation \a matrix is internally adjusted to compensate - for unwanted translation; i.e. the image produced is the smallest - image that contains all the transformed points of the original - image. Use the trueMatrix() function to retrieve the actual matrix - used for transforming an image. - - \sa trueMatrix(), {QImage#Image Transformations}{Image - Transformations} -*/ -QImage QImage::transformed(const QMatrix &matrix, Qt::TransformationMode mode) const -{ - return transformed(QTransform(matrix), mode); -} - -#endif // QT_DEPRECATED_SINCE(5, 15) - /*! Builds and returns a 1-bpp mask from the alpha buffer in this image. Returns a null image if the image's format is @@ -4068,71 +3982,10 @@ void QImage::setText(const QString &key, const QString &value) } /*! - \fn QString QImage::text(const char* key, const char* language) const - \obsolete - - Returns the text recorded for the given \a key in the given \a - language, or in a default language if \a language is \nullptr. - - Use text() instead. - - The language the text is recorded in is no longer relevant since - the text is always set using QString and UTF-8 representation. -*/ - -/*! - \fn QString QImage::text(const QImageTextKeyLang& keywordAndLanguage) const - \overload - \obsolete - - Returns the text recorded for the given \a keywordAndLanguage. - - Use text() instead. - - The language the text is recorded in is no longer relevant since - the text is always set using QString and UTF-8 representation. -*/ - -/*! - \fn void QImage::setText(const char* key, const char* language, const QString& text) - \obsolete - - Sets the image text to the given \a text and associate it with the - given \a key. The text is recorded in the specified \a language, - or in a default language if \a language is \nullptr. - - Use setText() instead. - - The language the text is recorded in is no longer relevant since - the text is always set using QString and UTF-8 representation. - - \omit - Records string \a for the keyword \a key. The \a key should be - a portable keyword recognizable by other software - some suggested - values can be found in - \l{http://www.libpng.org/pub/png/spec/1.2/png-1.2-pdg.html#C.Anc-text} - {the PNG specification}. \a s can be any text. \a lang should - specify the language code (see - \l{http://www.rfc-editor.org/rfc/rfc1766.txt}{RFC 1766}) or \nullptr. - \endomit -*/ - -/* - Sets the image bits to the \a pixmap contents and returns a - reference to the image. - - If the image shares data with other images, it will first - dereference the shared data. - - Makes a call to QPixmap::convertToImage(). -*/ - -/*! \internal Used by QPainter to retrieve a paint engine for the image. */ - QPaintEngine *QImage::paintEngine() const { if (!d) @@ -4264,8 +4117,8 @@ int QImage::metric(PaintDeviceMetric metric) const trigy += m12; // END OF MACRO bool qt_xForm_helper(const QTransform &trueMat, int xoffset, int type, int depth, - uchar *dptr, int dbpl, int p_inc, int dHeight, - const uchar *sptr, int sbpl, int sWidth, int sHeight) + uchar *dptr, qsizetype dbpl, int p_inc, int dHeight, + const uchar *sptr, qsizetype sbpl, int sWidth, int sHeight) { int m11 = int(trueMat.m11()*4096.0); int m12 = int(trueMat.m12()*4096.0); @@ -4378,22 +4231,6 @@ bool qt_xForm_helper(const QTransform &trueMat, int xoffset, int type, int depth #undef IWX_LSB #undef IWX_PIX -/*! \fn int QImage::serialNumber() const - \obsolete - Returns a number that identifies the contents of this - QImage object. Distinct QImage objects can only have the same - serial number if they refer to the same contents (but they don't - have to). - - Use cacheKey() instead. - - \warning The serial number doesn't necessarily change when the - image is altered. This means that it may be dangerous to use - it as a cache key. - - \sa operator==() -*/ - /*! Returns a number that identifies the contents of this QImage object. Distinct QImage objects can only have the same key if they @@ -4823,7 +4660,7 @@ QImage QImage::transformed(const QTransform &matrix, Qt::TransformationMode mode int bpp = depth(); - int sbpl = bytesPerLine(); + qsizetype sbpl = bytesPerLine(); const uchar *sptr = bits(); QImage::Format target_format = d->format; @@ -4878,7 +4715,7 @@ QImage QImage::transformed(const QTransform &matrix, Qt::TransformationMode mode // create target image (some of the code is from QImage::copy()) int type = format() == Format_Mono ? QT_XFORM_TYPE_MSBFIRST : QT_XFORM_TYPE_LSBFIRST; - int dbpl = dImage.bytesPerLine(); + qsizetype dbpl = dImage.bytesPerLine(); qt_xForm_helper(mat, 0, type, bpp, dImage.bits(), dbpl, 0, hd, sptr, sbpl, ws, hs); } copyMetadata(dImage.d, d); @@ -5124,50 +4961,6 @@ QDebug operator<<(QDebug dbg, const QImage &i) } #endif -/*! - \fn void QImage::setNumColors(int n) - \obsolete - - Resizes the color table to contain \a n entries. - - \sa setColorCount() - */ - -/*! - \fn int QImage::numBytes() const - \obsolete - - Returns the number of bytes occupied by the image data. - - \sa sizeInBytes() - */ - -/*! - \fn QStringList QImage::textLanguages() const - \obsolete - - Returns the language identifiers for which some texts are recorded. - Note that if you want to iterate over the list, you should iterate over a copy. - - The language the text is recorded in is no longer relevant since the text is - always set using QString and UTF-8 representation. - - \sa textKeys() - */ - -/*! - \fn QList<QImageTextKeyLang> QImage::textList() const - \obsolete - - Returns a list of QImageTextKeyLang objects that enumerate all the texts - key/language pairs set for this image. - - The language the text is recorded in is no longer relevant since the text - is always set using QString and UTF-8 representation. - - \sa textKeys() - */ - static Q_CONSTEXPR QPixelFormat pixelformats[] = { //QImage::Format_Invalid: QPixelFormat(), |